$ git clone -n https://src.fedoraproject.org/rpms/nodejs-generic-pool.git /var/lib/mock/f39-build-2298169-56438/root/chroot_tmpdir/scmroot/nodejs-generic-pool
Cloning into '/var/lib/mock/f39-build-2298169-56438/root/chroot_tmpdir/scmroot/nodejs-generic-pool'...
$ git fetch origin 66a503dbfa4b3212dd23941f09a7f32e045c3837:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/nodejs-generic-pool
 * [new ref]         66a503dbfa4b3212dd23941f09a7f32e045c3837 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 66a503d Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild